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## org.hyperic.hq.common.server.session
Class ServerConfigManagerEJBImpl

    java.lang.Object
      org.hyperic.hq.common.server.session.ServerConfigManagerEJBImpl

All Implemented Interfaces:
  java.io.Serializable, javax.ejb.EnterpriseBean, javax.ejb.SessionBean

    public class ServerConfigManagerEJBImpl

extends java.lang.Object
implements javax.ejb.SessionBean

This class is responsible for setting/getting the server configuration

See Also:
  Serialized Form

Field Summary
`protected org.apache.commons.logging.Log` | `log`
`java.lang.String` | `logCtx`

Constructor Summary
`ServerConfigManagerEJBImpl()`

Method Summary
`long` | `analyzeHqMetricTables(boolean analyzePrevMetricDataTable)` Run an analyze command on both the current measurement data slice and the previous data slice if specified.
`long` | `analyzeNonMetricTables()` Run an analyze command on all non metric tables.
`void` | `ejbActivate()`
`void` | `ejbCreate()`
`void` | `ejbPassivate()`
`void` | `ejbRemove()`
`java.util.Properties` | `getConfig()` Get the "root" server configuration, that means those keys that have the NULL prefix.
`java.util.Properties` | `getConfig(java.lang.String prefix)` Get the server configuration
`java.util.Collection` | `getConfigProperties()` Get all the `ConfigProperty`s
`java.lang.String` | `getGUID()` Gets the GUID for this HQ server instance.
`protected javax.naming.InitialContext` | `getInitialContext()`
`static org.hyperic.hq.common.shared.ServerConfigManagerLocal` | `getOne()`
`void` | `setConfig(AuthzSubject subject, java.util.Properties newProps)` Set the server configuration
`void` | `setConfig(AuthzSubject subject, java.lang.String prefix, java.util.Properties newProps)` Set the server Configuration
`void` | `setSessionContext(javax.ejb.SessionContext c)`
`long` | `vacuum()` Run database-specific cleanup routines -- on PostgreSQL we do a VACUUM ANALYZE.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### logCtx

    public final java.lang.String logCtx

See Also:
  Constant Field Values

### log

    protected org.apache.commons.logging.Log log

Constructor Detail

### ServerConfigManagerEJBImpl

    public ServerConfigManagerEJBImpl()

Method Detail

### getConfig

    public java.util.Properties getConfig()
                                   throws ConfigPropertyException

  Get the "root" server configuration, that means those keys that have the NULL prefix.

  Returns:
    Properties
  Throws:
    `ConfigPropertyException`

### getConfig

    public java.util.Properties getConfig(java.lang.String prefix)
                                   throws ConfigPropertyException

  Get the server configuration

  Parameters:
    `prefix` - The prefix of the configuration to retrieve.
  Returns:
    Properties
  Throws:
    `ConfigPropertyException`

### setConfig

    public void setConfig(AuthzSubject subject,
                          java.util.Properties newProps)
                   throws ApplicationException,
                          ConfigPropertyException

  Set the server configuration

  Throws:
    `ConfigPropertyException` - - if the props object is missing a key that's currently in the database
    `ApplicationException`

### setConfig

    public void setConfig(AuthzSubject subject,
                          java.lang.String prefix,
                          java.util.Properties newProps)
                   throws ApplicationException,
                          ConfigPropertyException

  Set the server Configuration

  Parameters:
    `prefix` - The config prefix to use when setting properties. The prefix is used for namespace protection and property scoping.
    `newProps` - The Properties to set.
  Throws:
    `ConfigPropertyException` - - if the props object is missing a key that's currently in the database
    `ApplicationException`

### analyzeNonMetricTables

    public long analyzeNonMetricTables()

  Run an analyze command on all non metric tables. The metric tables are handled seperately using analyzeHqMetricTables() so that only the tables that have been modified are analyzed.

  Returns:
    The time taken in milliseconds to run the command.

### analyzeHqMetricTables

    public long analyzeHqMetricTables(boolean analyzePrevMetricDataTable)

  Run an analyze command on both the current measurement data slice and the previous data slice if specified.

  Parameters:
    `analyzePrevMetricDataTable` - tells method to analyze previous metric data table as well as the current.
  Returns:
    The time taken in milliseconds to run the command.

### vacuum

    public long vacuum()

  Run database-specific cleanup routines -- on PostgreSQL we do a VACUUM ANALYZE. On other databases we just return -1. Since 3.1 we do not want to vacuum the hq_metric_data tables, only the compressed eam_measurement_xxx tables.

  Returns:
    The time it took to vaccum, in milliseconds, or -1 if the database is not PostgreSQL.

### getConfigProperties

    public java.util.Collection getConfigProperties()

  Get all the `ConfigProperty`s

### getGUID

    public java.lang.String getGUID()

  Gets the GUID for this HQ server instance. The GUID is persistent for the duration of an HQ install and is created upon the first call of this method. If for some reason it can't be determined, 'unknown' will be returned.

### getInitialContext

    protected javax.naming.InitialContext getInitialContext()

### getOne

    public static org.hyperic.hq.common.shared.ServerConfigManagerLocal getOne()

### ejbCreate

    public void ejbCreate()

### ejbRemove

    public void ejbRemove()

  Specified by:
    `ejbRemove` in interface `javax.ejb.SessionBean`

### ejbActivate

    public void ejbActivate()

  Specified by:
    `ejbActivate` in interface `javax.ejb.SessionBean`

### ejbPassivate

    public void ejbPassivate()

  Specified by:
    `ejbPassivate` in interface `javax.ejb.SessionBean`

### setSessionContext

    public void setSessionContext(javax.ejb.SessionContext c)

  Specified by:
    `setSessionContext` in interface `javax.ejb.SessionBean`

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